906210400

素因数分解:

$2^5\times 5^2\times {\mathrm{251}}^1\times {\mathrm{4513}}^1$

素因数の和:4784

約数の個数: 72

約数和(自身を含む): 2221592184

約数和(自身を除く): 1315381784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 251, 400, 502, 800, 1004, 1255, 2008, 2510, 4016, 4513, 5020, 6275, 8032, 9026, 10040, 12550, 18052, 20080, 22565, 25100, 36104, 40160, 45130, 50200, 72208, 90260, 100400, 112825, 144416, 180520, 200800, 225650, 361040, 451300, 722080, 902600, 1132763, 1805200, 2265526, 3610400, 4531052, 5663815, 9062104, 11327630, 18124208, 22655260, 28319075, 36248416, 45310520, 56638150, 90621040, 113276300, 181242080, 226552600, 453105200, 906210400]

約数ペア:

[(1, 906210400), (2, 453105200), (4, 226552600), (5, 181242080), (8, 113276300), (10, 90621040), (16, 56638150), (20, 45310520), (25, 36248416), (32, 28319075), (40, 22655260), (50, 18124208), (80, 11327630), (100, 9062104), (160, 5663815), (200, 4531052), (251, 3610400), (400, 2265526), (502, 1805200), (800, 1132763), (1004, 902600), (1255, 722080), (2008, 451300), (2510, 361040), (4016, 225650), (4513, 200800), (5020, 180520), (6275, 144416), (8032, 112825), (9026, 100400), (10040, 90260), (12550, 72208), (18052, 50200), (20080, 45130), (22565, 40160), (25100, 36104)]